PYRAZOLO[1,5-A]PYRIMIDINE-3-CARBOXYLIC ACID ETHYL ESTER Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 115932-00-8 |
| Product name | PYRAZOLO[1,5-A]PYRIMIDINE-3-CARBOXYLIC ACID ETHYL ESTER |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeMaterial GradeSpecialty GradeReagent Grade |
| Packaging | 25KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for PYRAZOLO[1,5-A]PYRIMIDINE-3-CARBOXYLIC ACID ETHYL ESTER
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk PYRAZOLO[1,5-A]PYRIMIDINE-3-CARBOXYLIC ACID ETHYL ESTER Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of PYRAZOLO[1,5-A]PYRIMIDINE-3-CARBOXYLIC ACID ETHYL ESTER
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Pharmaceutical intermediate | Used as an intermediate in the synthesis of kinase inhibitors, antitumor agents, and anti-inflammatory drugs |
| Agrochemicals | Agrochemical intermediate | Employed as a precursor for synthesizing novel agrochemical active ingredients |
| Chemical research | Organic synthesis reagent | Serves as a key building block in heterocyclic compound synthesis and participates in the preparation of multiple derivatives |
| Biotechnology | Enzyme inhibitor research | Applied to investigate inhibition mechanisms of specific enzymes (e.g., protein kinases) and screen novel inhibitors |
| Materials science | Functional material synthesis | Involved in molecular design and synthesis of optoelectronic materials or specialty chemicals |
Manufacturing Quality Control of PYRAZOLO[1,5-A]PYRIMIDINE-3-CARBOXYLIC ACID ETHYL ESTER
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 254 nm, comparing peak area against a certified reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC-UV; identification based on retention time matching and threshold limits per ICH Q3B. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection to quantify residual ethyl acetate, ethanol, DMF, and other process solvents against calibrated standards. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine trace water content based on stoichiometric reaction with water. |
| Heavy Metals | ICP-MS | Quantification of Pb, Cd, Hg, As, and other elemental impurities by inductively coupled plasma mass spectrometry after acid digestion. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride ions using suppressed conductivity detection with anion-exchange column and Na2CO3/NaHCO3 eluent. |
| Sulfated Ash | Gravimetric Analysis | Ignition of sample at 700-750 C followed by sulfuric acid treatment and weighing of residual inorganic ash. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid-to-liquid phase transition occurs, using calibrated capillary method per USP <741>. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light induced by chiral centers in solution, reported as degrees per dm/g. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry or wet dispersed sample using Mie theory to calculate volume-based particle size distribution. |
| Bulk Density | Tap Density Tester | Determination of mass per unit volume after standardized mechanical tapping per USP <616>. |
| Microbial Limits | Membrane Filtration | Enumeration of aerobic mesophilic bacteria and fungi via filtration, membrane transfer to culture media, and colony counting after incubation. |
Technical Specifications of PYRAZOLO[1,5-A]PYRIMIDINE-3-CARBOXYLIC ACID ETHYL ESTER
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 148–152°C |
| Identification (NMR) | Consistent with structure |
| Residue on Ignition | <=0.1% |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of PYRAZOLO[1,5-A]PYRIMIDINE-3-CARBOXYLIC ACID ETHYL ESTER
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of PYRAZOLO[1,5-A]PYRIMIDINE-3-CARBOXYLIC ACID ETHYL ESTER
Safety Information of PYRAZOLO[1,5-A]PYRIMIDINE-3-CARBOXYLIC ACID ETHYL ESTER
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of PYRAZOLO[1,5-A]PYRIMIDINE-3-CARBOXYLIC ACID ETHYL ESTER
Industrial PYRAZOLO[1,5-A]PYRIMIDINE-3-CARBOXYLIC ACID ETHYL ESTER Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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